Check Any Building Before You Sign
Free building safety scores based on 17,276,729+ government violation records. Covering NYC, LA, Chicago, SF, Philly, Seattle, Dallas, Austin, Pittsburgh & Kansas City.
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How It Works
Enter an Address
Type any building address — we cover NYC, LA, Chicago, and more.
See the Score
Get a 0-100 safety score based on violations, complaint history, and landlord track record.
Decide with Confidence
Compare to neighborhood averages, check the landlord's other buildings, and sign (or walk away) informed.
Worst-Scoring Buildings This Month
Buildings with the most severe open violations right now.
Best-Maintained Buildings
Top-scoring buildings with clean records and responsive landlords.
Browse by City
What We Check
Class C — Immediately Hazardous
Lead paint, no heat/hot water, structural damage, gas leaks. Must be fixed within 24 hours.
Class B — Hazardous
Roaches, mice, broken locks, leaks, mold. Must be fixed within 30 days.
Class A — Non-Hazardous
Minor paint peeling, small cracks, missing address sign. Must be fixed within 90 days.
Landlord Responsiveness
How fast does the landlord fix violations? We track resolution speed vs. city averages.